ORIGINAL: TimBle
tip stall is that stall that occurs when the plane is in a bank and suddenly drops a wing tip resulting in a spin. This stall occurs because the weight of the aircraft has increased due to the radius of the turn being to tight. The wing can't hold the aircraft because its stall speed has been increased due to the higher weight. Recovery from the resulting spin...Everyone is of course correct about stall recovery for angle of attack related stalls.
Tip stall is a term used to describe an uncoordinated stall. That is, a stall in which one wing has a higher angle of attack then the other when it reaches stall. There are several ways this can happen, a steep turn, slow speed flight, a high "G" pull up, or any combination of these. In all cases the rudder is applied either too little or too much causing an uncoordinated condition and one wing to stall more. This can happen at any speed at or below, theoretically, manuevering speed (Vma) depending on "G" load or amount of uncoordination. A steep turn is the most common factor for both MA and FS.